From Japanese-German FreeDict Dictionary ver. 0.2.0:
[news2] [nf20] 壺 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 壷 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, (word containing irregular kanji usage) 壼 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [news2] [nf20] つぼ /tsˈɯᵝbo̞/, () ツボ /tsˈɯᵝbo̞/, (out-dated or obsolete kana usage) つほ /tsˈɯᵝho̞/, (out-dated or obsolete kana usage) つふ /tsˈɯᵝɸɯᵝ/
(noun (common) (futsuumeishi))
(1) (m) Topf, (2) springender (m) Punkt, (m) Knackpunkt, (3) richtiger (m) Punkt für Moxa, (m) Druckpunkt